G. N. Glasoe

G. Norris Glasoe (29 October 1902 – May 1987) was an American nuclear physicist. He was a member of the Columbia University team which was the first in the United States to verify the European discovery of the nuclear fission of uranium via neutron bombardment. During World War II, he worked at the MIT Radiation Laboratory. He was a physicist and administrator at the Brookhaven National Laboratory.

Gynther Norris Glasoe was born in Northfield, MN to Dr. Paul M. Glasoe and Gena (Kirkwold) Glasoe, both children of Norwegian immigrants. He had two younger brothers: Paul K. Glasoe (1913–2008) and Alf M. Glasoe (1909–2006)

Glasoe completed his undergraduate degree in 1924 at St. Olaf College in Northfield, Minnesota. He received his advanced degrees, including his doctorate, from the University of Wisconsin; a degree was awarded in 1926. After earning his doctorate, Glasoe did research at the University of Wisconsin and then joined the physics faculty at the Columbia University.

John R. Dunning, professor of physics at Columbia, closely followed the work of Ernest Lawrence on the cyclotron. Dunning wanted a more powerful neutron source and the cyclotron appeared as an attractive tool to achieve this end. During 1935 and 1936, he was able construct a cyclotron using many salvaged parts to reduce costs and funding from industrial and private donations. Glasoe, Dana P. Mitchell, and Hugh Paxton, junior members of the physics faculty at Columbia, worked on the cyclotron part-time. At the suggestion of Mitchell, Dunning offered Herbert L. Anderson a teaching assistant position if he would also help with the design and building of the cyclotron during work on his doctorate in physics, which he did. Others assisting in the construction of the cyclotron were Eugene T. Booth and Hugh Glassford. The cyclotron would in a few years be used by Dunning, Glasoe, and Anderson in a historic experiment based on the discovery of nuclear fission in Europe in December 1938 and January 1939.

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